Harmonize FilterEffect::mapRect and mapPaintRect

third_party/WebKit/Source/platform/graphics/filters/FEGaussianBlur.h

Index: third_party/WebKit/Source/platform/graphics/filters/FEGaussianBlur.h
diff --git a/third_party/WebKit/Source/platform/graphics/filters/FEGaussianBlur.h b/third_party/WebKit/Source/platform/graphics/filters/FEGaussianBlur.h
index cefb0642ef1f2594ce7fc11f780fb43ade5745ca..22a316557f7c92850ba06b724962f6cc00a974c8 100644
--- a/third_party/WebKit/Source/platform/graphics/filters/FEGaussianBlur.h
+++ b/third_party/WebKit/Source/platform/graphics/filters/FEGaussianBlur.h
@@ -31,8 +31,6 @@ class PLATFORM_EXPORT FEGaussianBlur final : public FilterEffect {
 public:
     static FEGaussianBlur* create(Filter*, float, float);
 
-    FloatRect mapRect(const FloatRect&, bool forward = true) const final;
-    FloatRect determineAbsolutePaintRect(const FloatRect& requestedRect) const override;
     static IntSize calculateKernelSize(const Filter*, const FloatPoint& std);
     static IntSize calculateUnscaledKernelSize(const FloatPoint& std);
 
@@ -41,6 +39,8 @@ public:
 private:
     FEGaussianBlur(Filter*, float, float);
 
+    FloatRect mapEffect(const FloatRect&) const override;
+
     sk_sp<SkImageFilter> createImageFilter() override;
 
     float m_stdX;